301.633
H624M
           Hibbs, Douglas A
               Mass political violence a cross-national causal analysis \ Douglas A Hibbs - New York : John Wiley, 1973.
               xv, 253p. - Comparative studies in behavioral science: a wiley series/ed. by Robert T. Holt and John E Turner .
                ISBN: 0-471-38600-6

87134
                Subjects: Violence; Political violence; Riots; Government.